Added shouldResignOnTouchOutside boolean
Fixed a problem where textView height is too big, Fixed a problem related to scrollView scrolling while go to upside with previous button, Added a method to find currentViewController, Bug fix for toolbar when first textView become first responder
Update README.md
Update README.md
Update README.md
Fixed a bug not finding rootViewController of keyWindow
Update README.md
Merge commit '5165702e9bc02e9f90ca19b500d2ee8bce68cb47'

Conflicts:
	KeyboardTextFieldDemo/IQKeyBoardManager/IQKeyboardManager.h
	KeyboardTextFieldDemo/IQKeyBoardManager/IQKeyboardManager.m
	KeyboardTextFieldDemo/KeyboardTextFieldDemo/TextFieldViewController.h